Disclaimer: I was one of the authors on a 2003 study reporting a link between ACTN3 and athletic performance, but I have no financial interest in ACTN3 gene testing. The opinions expressed in this ...

Could workouts transform Jackie Berube into a world-class athlete? "I'm going to try and make it to the 2012 Olympics," said Berube. Even though Jackie Berube will be 40 years old when the London ...

Differences in ACTN3 (alpha-actinin 3) genotypes have been reported among endurance and power athletes. Elite athletic performance in endurance sports should also depend on mitochondrial oxidative ...

When watching the Olympics games these next couple of weeks, you might see some "super" genetic mutations in action. We all have a gene called ACTN3, but certain variants of it help our bodies make a ...

A gene known as ACTN3 (α-actinin-3) has earned the nickname “the gene for speed,” and it may have an influence on how androgens work through the androgen receptor to maintain muscle mass. Research has ...

Your DNA might be giving you an edge or could be holding you back. The ACTN3 gene encodes the protein alpha-actinin-3, which is found almost exclusively in fast-twitch muscle fibers. These fibers are ...

A company called Sports X Factor recently announced that it's selling a genetic test that will reveal your potential to be a sports star. They're marketing it as a way to predict what sports your kid ...

More than 99% of your genetic information is exactly the same as every other person on the planet. Your genes determine your skin color, gender, and hair color and whether or not you have certain ...